.layout2 {
  text-align: center;
  height: 100vh;
}
.layout2 .header {
  height: 20%;
  border-radius: 5px 5px 0 0;
  background-color: #337ecc;
}
.layout2 .container {
  height: 70%;
  background-color: #a0cfff;
}
.layout2 .footer {
  height: 10%;
  border-radius: 0 0 5px 5px;
  background-color: #337ecc;
}
